6 citations · 6 across the 3 of their papers we have counts for
6 papers
Fast generation of stability charts for time-delay systems using continuation of characteristic roots
Surya Samukham, Thomas K. Uchida, C. P. Vyasarayani
Many dynamic processes involve time delays, thus their dynamics are governed by delay differential equations (DDEs). Studying the stability of dynamic systems is critical, but anal…
Performance limit for base-excited energy harvesting, and comparison with experiments
Sankalp Tiwari, C. P. Vyasarayani, Anindya Chatterjee
We consider the theoretical maximum extractable average power from an energy harvesting device attached to a vibrating table which provides a unidirectional displacement $A\sin(ωt)…
New approximations, and policy implications, from a delayed dynamic model of a fast pandemic
C. P. Vyasarayani, Anindya Chatterjee
We study an SEIQR (Susceptible-Exposed-Infectious-Quarantined-Recovered) model for an infectious disease, with time delays for latency and an asymptomatic phase. For fast pandemics…
Complete dimensional collapse in the continuum limit of a delayed SEIQR network model with separable distributed infectivity
C. P. Vyasarayani, Anindya Chatterjee
We take up a recently proposed compartmental SEIQR model with delays, ignore loss of immunity in the context of a fast pandemic, extend the model to a network structured on infecti…
Galerkin-Ivanov transformation for nonsmooth modeling of vibro-impacts in continuous structures
Surya Samukham, S. N. Khaderi, C. P. Vyasarayani
This work deals with the modeling of nonsmooth vibro-impact motion of a continuous structure against a rigid distributed obstacle. Galerkin's approach is used to approximate the so…
Approximating strange attractors and Lyapunov exponents of delay differential equations using Galerkin projections
Anwar Sadath, Thomas K. Uchida, C. P. Vyasarayani
Delay differential equations (DDEs) are infinite-dimensional systems, so even a scalar, unforced nonlinear DDE can exhibit chaos. Lyapunov exponents are indicators of chaos and can…